There are no data on whether a vegan diet is an effective means of cancer prevention among high-risk
{"Image Make": "Canon", "Image Model": "Canon EOS 5D", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Paint.NET v3.5.8", "Image DateTime": "2017:11:30 12:06:34", "Image ExifOffset": "220", "Image BodySerialNumber": "530204434", "Image LensSpecification": "[100, 100, 0/0, 0/0]", "Image LensModel": "EF100mm f/2.8 Macro USM", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "EXIF ExposureTime": "4", "EXIF FNumber": "18", "EXIF ExposureProgram": "Manual", "EXIF ISOSpeedRatings": "100", "EXIF ExifVersion": "0230", "EXIF DateTimeOriginal": "2016:12:05 02:02:58", "EXIF DateTimeDigitized": "2016:12:05 02:02:58", "EXIF ShutterSpeedValue": "-2", "EXIF ApertureValue": "166797/20000", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "3", "EXIF MeteringMode": "Spot", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "100", "EXIF FocalPlaneXResolution": "873600/283", "EXIF FocalPlaneYResolution": "1456000/471", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Manual Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard"}